Home / 1,563,142.42-2,343,488.77-617,221.18

Finding the Fourth Proportional to 1,563,142.42, 2,343,488.77 and 617,221.18

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Solution

The fourth proportional to 1,563,142.42, 2,343,488.77 and 617,221.18 is: 925,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,142.42 : 2,343,488.77 = 617,221.18 : x
  2. Step 2: Convert to fraction form
    1,563,142.42/2,343,488.77 = 617,221.18/x
  3. Step 3: Cross multiply
    1,563,142.42x = 2,343,488.77 × 617,221.18
  4. Step 4: Simplify right side
    1,563,142.42x = 1,446,450,903,936.15
  5. Step 5: Solve for x
    x = 1,446,450,903,936.15/1,563,142.42
  6. Step 6: Final answer
    x = 925,348.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.